Summary of Significant Accounting Policies - Schedule of net revenues by platform and channel (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2019	Sep. 28, 2019	Jun. 29, 2019	Mar. 30, 2019	Dec. 31, 2018	Sep. 29, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Disaggregation of Revenue [Line Items]
Less: Discounts									$ (26,460)	$ (9,648)	$ (5,116)
Net revenues	$ 98,479	$ 91,961	$ 67,251	$ 40,206	$ 31,514	$ 26,277	$ 17,367	$ 12,776	297,897	87,934	32,581
Retail
Disaggregation of Revenue [Line Items]
Net revenues									144,809	50,779	25,490
Restaurant and Foodservice
Disaggregation of Revenue [Line Items]
Net revenues									153,088	37,155	7,091
Gross Fresh Platform
Disaggregation of Revenue [Line Items]
Gross revenues									306,585	81,686	18,109
Gross Frozen Platform
Disaggregation of Revenue [Line Items]
Gross revenues									$ 17,772	$ 15,896	$ 19,588